2174439 has 4 divisors (see below), whose sum is σ = 2899256. Its totient is φ = 1449624.

The previous prime is 2174423. The next prime is 2174461. The reversal of 2174439 is 9344712.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2174439 - 2⁴ = 2174423 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362404 + ... + 362409.

It is an arithmetic number, because the mean of its divisors is an integer number (724814).

2^2174439 is an apocalyptic number.

2174439 is a deficient number, since it is larger than the sum of its proper divisors (724817).

2174439 is an equidigital number, since it uses as much as digits as its factorization.

2174439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724816.

The product of its digits is 6048, while the sum is 30.

The square root of 2174439 is about 1474.5979112965. The cubic root of 2174439 is about 129.5534779104.

It can be divided in two parts, 217 and 4439, that added together give a triangular number (4656 = T₉₆).

The spelling of 2174439 in words is "two million, one hundred seventy-four thousand, four hundred thirty-nine".